The rules would hold pollution magnets like warehouses, ports and railyards accountable for the trucks and ships they attract.

Air quality across the Northern California Valley on Thursday was rated from moderate to unhealthy due to increasing ...

Outdoor air pollution is estimated to contribute to more than 100,000 premature deaths in the United States each year, ...

On Wednesday at 4:48 p.m. the NWS Phoenix AZ reported an air quality alert in effect until Thursday at 7 p.m. The alert is ...

A new federal lawsuit is targeting clean car standards California has held since 2012 — and the battle over who controls ...

A new lawsuit targets California's ability to set its own car emissions standards, which 17 other states follow.

It’s been almost four years since a groundbreaking rule targeting air pollution linked to warehouses became law in much of ...

NWS air quality alerts urge residents in the Coachella Valley and San Bernardino, Riverside and Imperial counties to stay indoors.

Californians have long dealt with wildfire smoke as a seasonal fact of life, but those fires have become more intense and ...

American Lung Association report focuses on improving community-based air monitoring in high pollution areas; West Oakland project serves as potential blueprint for other communities ...

Buellton Mayor David Silva has been appointed by Gov. Gavin Newsom to the California Air Resources Board (CARB). Silva also serves on the Board of ...